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[PT031AAF], Patent Caveat, Thomas Alva Edison, June 15th, 1889

Title: [PT031AAF], Patent Caveat, Thomas Alva Edison, June 15th, 1889
Editor's Notes: [case file for caveat 115] [WHY IS THIS AN ALTERNATE DATE FOR THE BIG 12 MAY CAVEAT PT031AAF1? There is some preceding Patent Office correspondence stating caveat cannot be properly filed until it is restricted to a single invention---NOTE THIS IN OUR EDITORIAL DISCUSSION OF CAVEAT PRACTICES]; Supplied day
Author: Edison, Thomas Alva
Mentioned: Thomson, William, (Lord Kelvin)
Date: 1889-06-15
Type: Patent Caveat
Subject: Telegraph; Telephone; Incandescent lamp; Arc lighting; Ore milling and separation; Cylinder phonograph
Folder ID: PT031AAF-F
Microfilm ID: 113:494
Document ID: PT031AAF
URL: https://edisondigital.rutgers.edu/document/PT031AAF
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 113

Item sets: [PT031AAF-F] Case 115: Electric Light, Ore Milling, Phonograph, Telegraph, Telephone (1889)

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